Revelation 2:16
So repent, or else I will quickly come and make war upon them with the sword that comes from my mouth.
Revelation 12:3-2
Another symbol was seen in heaven -- there was a huge dragon, red as fire, with seven heads and ten horns, with seven diadems on his heads.
Revelation 13:4
and worshiped the dragon for giving the wild beast his authority; they also worshiped the wild beast, and said, "Who is there like the wild beast? Who is there to make war on him?"
Revelation 13:11
Then I saw another wild beast coming up out of the land. He had two horns like a lamb, but he spoke like a dragon.
Revelation 16:13
Then I saw three foul spirits leap like frogs from the mouth of the dragon, from the mouth of the wild beast, and from the mouth of the false prophet.
Revelation 17:1
Then one of the seven angels with the seven bowls came and spoke to me, saying: "Come, I will show you the doom of the noted prostitute who is seated on many waters,
Revelation 17:15
He also said to me: "The waters that you saw, on which the prostitute was seated, are peoples, multitudes, nations, and languages.
Revelation 19:21
The rest were killed with the sword that shot from the mouth of the horse's Rider, and all the birds were gorged with their flesh.
Revelation 20:2
He seized the dragon, the ancient serpent, who is the devil and Satan, and bound him for a thousand years.